high cpu usage using nftl for DOC2000

Selwyn Tang selwyn at hectrix.com
Fri Oct 3 04:22:15 EDT 2003


Hi Dave,

On 10/03/2003 01:54 PM, David Woodhouse wrote:
> Boot with 'profile=1' and use readprofile to see where it's spending all
> the CPU time. Note your driver must be built-in to the kernel for this.

The followings, among others, are reported by readprofile:

  147 handle_IRQ_event			1.5978
   17 ide_outb				1.4167
 3288 _DoC_Delay			32.8800
 6634 __rdtsc_delay			236.9286

I don't know how to interpret them :-)

Selwyn




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